In this paper has been studied the syndetic set ,she is one of four sets that called Gottschak admissible set,and we show relation the syndetic and sub group syndetic with strongly replete and strongly semi replete from side and relation left translation and biletral to syndetic set with syndetic set other side and as a result of this relation we found numbers of results and new theorems.
ايناس يحيى عبدالله | enas yahya abdullah | 6726